Home / 628,587.54-942,969.33-201,979.98

Finding the Fourth Proportional to 628,587.54, 942,969.33 and 201,979.98

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Solution

The fourth proportional to 628,587.54, 942,969.33 and 201,979.98 is: 302,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,587.54 : 942,969.33 = 201,979.98 : x
  2. Step 2: Convert to fraction form
    628,587.54/942,969.33 = 201,979.98/x
  3. Step 3: Cross multiply
    628,587.54x = 942,969.33 × 201,979.98
  4. Step 4: Simplify right side
    628,587.54x = 190,460,926,414.01
  5. Step 5: Solve for x
    x = 190,460,926,414.01/628,587.54
  6. Step 6: Final answer
    x = 302,998.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.